Ahi Tuna Teriyaki Recipe: A Perfect Balance of Sweet and Savory

Ahi Tuna Teriyaki Recipe: Seared Tuna with Homemade Teriyaki Glaze

This Ahi tuna teriyaki combines sushi-grade yellowfin tuna seared for 1-2 minutes per side with a homemade teriyaki glaze -- soy sauce, mirin, brown sugar, ginger, and garlic, simmered until slightly thickened. The tuna is seared first to the desired doneness, then briefly glazed in the sauce (30 seconds per side) to coat it evenly. The result is a deeply savory, slightly sweet glaze over a rare-to-medium-rare tuna steak. Ready in under 20 minutes.

Ahi Tuna Steaks | Saku Tuna Blocks

---

Why Ahi Tuna for Teriyaki?

Ahi tuna (yellowfin tuna) has a firm, meaty texture that holds up well to marination and high-heat searing -- it does not fall apart or become mushy when glazed with a sauce. Its mild, clean flavor pairs well with the bold, sweet-savory profile of teriyaki without being overwhelmed by it. The deep red color of the seared tuna against the dark teriyaki glaze is visually striking. Ahi tuna provides approximately 25g of complete protein per 3-ounce serving with meaningful quantities of vitamin B12, selenium, and EPA/DHA omega-3 fatty acids. The American Heart Association recommends eating fish rich in omega-3s at least twice a week as part of a heart-healthy diet.

---

Ahi Tuna Teriyaki Recipe

Serves: 2 | Active time: 15 minutes | Cook time: 10 minutes

Ingredients

Tuna

• 2 sushi-grade Ahi Tuna steaks , 6-8 oz each, approximately 1 inch thick
• 1 tbsp neutral oil (avocado or vegetable oil) for searing -- do not use olive oil for high-heat searing
• Salt and white pepper to taste

Teriyaki Sauce

• 1/4 cup soy sauce
• 1/4 cup mirin (Japanese sweet rice wine -- adds sweetness and gloss; do not substitute with regular rice wine)
• 2 tbsp brown sugar
• 1 tbsp rice vinegar (adds brightness and balances the sweetness)
• 1 tsp fresh ginger, very finely grated
• 1 garlic clove, very finely minced
• 1 tsp sesame oil (added off the heat; sesame oil loses its aroma when cooked)
• 1 tbsp cornstarch mixed with 2 tbsp cold water (optional; for a thicker glaze)

For Serving

• Steamed white rice or quinoa
• Sesame seeds for garnish
• Sliced green onions for garnish
• Steamed or stir-fried vegetables (optional)

---

Instructions

Step 1: Make the Teriyaki Sauce

In a small saucepan, combine soy sauce, mirin, brown sugar, rice vinegar, ginger, and garlic. Bring to a simmer over medium heat, stirring to dissolve the sugar. Simmer for 5 minutes until slightly reduced. If you prefer a thicker glaze, whisk in the cornstarch slurry and simmer for another 1-2 minutes until thickened. Remove from heat; stir in sesame oil -- add sesame oil off the heat; sesame oil loses its aroma when cooked at high temperatures. Set aside. The sauce can be made up to 3 days in advance and refrigerated; reheat gently before using.

Step 2: Sear the Tuna

Pat the tuna steaks dry with paper towels; season with salt and white pepper. Heat a heavy skillet (cast iron or stainless steel) over high heat until very hot; add neutral oil. Sear the tuna for 1-2 minutes per side without moving -- the exterior should be deeply browned; the center should remain rare-to-medium-rare (pink). The tuna should reach its desired doneness during this sear -- the glazing step that follows adds only 30 seconds per side and will not significantly change the internal doneness.

Step 3: Glaze the Tuna

Reduce the heat to low. Pour half the teriyaki sauce over the tuna steaks in the pan; turn the steaks once (approximately 30 seconds per side) to coat both sides evenly in the glaze. The sauce will bubble and caramelize slightly on the surface of the tuna. Remove from heat immediately -- do not leave the tuna in the sauce; it will continue to cook.

Step 4: Slice and Serve

Remove the tuna from the pan; rest for 1-2 minutes; slice thinly against the grain. Serve over steamed rice or quinoa; drizzle the remaining teriyaki sauce over the top; garnish with sesame seeds and sliced green onions. Serve immediately.

Key Tips

• Pat tuna dry before searing -- moisture on the surface prevents browning
• Use neutral oil, not olive oil -- olive oil burns at the temperatures needed for a proper sear
• Sear to desired doneness before glazing -- the 30-second glaze step does not significantly change internal doneness
• Add sesame oil off the heat -- sesame oil loses its aroma when cooked at high temperatures
• Do not leave the tuna in the sauce after glazing -- it will continue to cook from the residual heat of the sauce
• Teriyaki sauce keeps 3 days refrigerated -- make it in advance to save time

Ahi Tuna Steaks | Saku Tuna Blocks

Also see: Ahi Tuna Steak Recipe | Ahi Tuna Poke Bowl Recipe | Ahi Tuna Sushi Roll Recipe

Watch seafood preparation videos on the Global Seafoods YouTube Channel

---

Frequently Asked Questions

Can I use frozen Ahi tuna for this recipe?

Yes -- sushi-grade frozen tuna is ideal. Thaw overnight in the refrigerator (best) or in a sealed bag in cold water for 20-30 minutes (faster); pat dry thoroughly before searing. Sushi-grade tuna has been frozen at -4°F (-20°C) or below for at least 7 days, making it safe to eat at rare-to-medium-rare doneness.

Can I make the teriyaki sauce ahead of time?

Yes -- the teriyaki sauce keeps for up to 3 days in an airtight container in the refrigerator. Reheat gently over low heat before using; whisk to recombine if the cornstarch-thickened sauce has set. The sauce can also be frozen for up to 1 month.

How do I avoid overcooking the tuna?

Sear for 1-2 minutes per side at high heat; the center should remain pink. The tuna should reach its desired doneness during the sear -- the 30-second glazing step does not significantly change internal doneness. Use an instant-read thermometer: 115-125°F for rare-to-medium-rare; 130-135°F for medium. Remove from heat immediately after glazing.

What should I serve with Ahi Tuna Teriyaki?

Steamed white rice (the classic pairing; the rice absorbs the teriyaki sauce) or quinoa. Stir-fried vegetables (bok choy, snap peas, broccoli) or a simple cucumber salad with rice vinegar dressing round out the meal. Miso soup is a natural accompaniment for a Japanese-style dinner.